The Fan,vaneaxial, cataloged under National Stock Number 4140-01-620-8653, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Oriental Motor U.s.a. Corporation. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-620-8653 |
| Primary Part Number | MU1225S-51 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Oriental Motor U.s.a. Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | GUARDED |
| Length | 0.980 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC |
| Flow Direction | INWARD AND OUTWARD |
| Housing Inside Diameter | 4.126 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 12.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 60.0 CELSIUS DEGC |
| Height | 4.690 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 2500.0 |
| Width | 4.690 INCHES NOMINAL IN |
| Material | PLASTIC BLADE |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR PLUG |
| Air Flow Rate | 56.5 CUBIC FEET PER MINUTE MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MU1225S-51 PRIMARY | Oriental Motor U.s.a. Corporation (USA) |
NSN 4140-01-620-8653 is a Fan,vaneaxial, manufactured by Oriental Motor U.s.a. Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-620-8653 has 1 manufacturer part number on file: MU1225S-51 (Oriental Motor U.s.a. Corporation).
Key specifications for MU1225S-51: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.